Reasons and solutions for parts of the furnace wire not red in the उच्च तापमान बक्स-प्रकार प्रतिरोध भट्टी

①If the solid state relay is damaged, carefully check the cause of the line damage, and replace some damaged parts of the solid state relay.

②If the input indication is normal, it may be that the fuse is broken, the connection line is loose or the furnace wire is broken, tighten the pile head, replace the fuse, and connect the furnace wire.